Inventions What plaything was invented by Joe McVicker in 1956? Etch-A-Sketch Lite-Brite Silly Putty Play-Doh Etch-A-Sketch Lite-Brite Silly Putty Play-Doh ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Mary Kies Amanda Jones Marjorie Joyner Margaret Knight Mary Kies Amanda Jones Marjorie Joyner Margaret Knight ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gramophone? Sir Alexander Graham Bell Thomas Alva Edison Michael Faraday Fahrenheit Sir Alexander Graham Bell Thomas Alva Edison Michael Faraday Fahrenheit ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Hammock Captain's chair Sofa bed Waterbed Hammock Captain's chair Sofa bed Waterbed ANSWER DOWNLOAD EXAMIANS APP
Inventions The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project? Leslie R. Groves Vannevar Bush James B. Conant Robert Oppenheimer Leslie R. Groves Vannevar Bush James B. Conant Robert Oppenheimer ANSWER DOWNLOAD EXAMIANS APP
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